Using Lua to realize 99 multiplication table

function jiujiu()
    --  The control line 
    for i=1, 9 do
        --  Control the column 
        for j=1, i do
            -- io.write In this way, the output will not wrap 
            io.write(j.."*"..i.."="..i*j.." ")
        end
        --  Print line breaks at the end of a column 
        print("\n")
    end
end

jiujiu()